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Chris, John had linked all of those except for the MSI one.
Using the others it gave me around 650W, which is what I have. The MSI calculator says 453W, add 25% for overhead = 566W so they all are kinda sorta ok.

I think PSU power is similar to gun ownership. It's better to have it and not need it, than to need it and not have it.

Hum I found another one called PSU Calc that is very popular with the overclocking crew at Overclocking.net and apparently there were some bugs to be sorted and it's been finalised. However my security red flags it so I am not game to try it.

Oh and yet another for the tech heads but it s on another forum but has really useful links for PSU tutorials, info, pics of good and bad and reviews all in glorious colour.

Found this handy little tool

Finally found a permissions fixing tool that actually works.Permissions Time Machine. AMYD Projects: Permissions Time Machine v1.4 Install, tell your antivirus it is NOT malware and move the executable out of the virus chest (I'm beginning to dislike Avast) then Run as an administrator. Choose the drive you're having file access issues with then click the...

Performance & Maintenance

This might come in handy in this sectionFound this hunting around for info on temps and stuff and thought it might be of interest for a few builders and fixers.
Guide to Understanding Intel Temperatures | TechREACTION

Hardware & Devices

Handy tool for your toolbox available for freeFound this at Techspot and it looks good for getting system info and may be useful for chasing malware:-
" LookInMyPC is a free tool for Windows that generates a complete, comprehensive profile of your system including information on everything from the hardware to connected peripherals,...

Software

Handy Hints & TipsIf anyone has any handy hints or tips, be them helpful or just plain stupid. Post them up they are always good for a laugh, and some might save you a few bob.
Allot of people might of heard of this one but it can come in handy.
Basically it's for testing most standard remote controls to make...

Chillout Room

start orb changer!handy tool~i found this tool on deviantart..very handy..no need to do a lot of steps.juz one mouse click will do the changing:sarc:
download---